This wonderful sterling silver ring is a size 7 1/2. It has a large square pink colored stone in the center. The center stone measures about 3/8" across x 3/8" (Please see my pictures). It's marked on the inside of the band "NF 925 Thailand". The ring could use a light cleaning. A fabulous sterling silver ring to wear or add to your collection. Please see our other vintage and antique jewelry also just listed...